Cita APA (7th ed.)

Choi, Y., Agarwal, S., & Deane, C. (2013). How long is a piece of loop?

Cita Chicago (17th ed.)

Choi, Y., S. Agarwal, i C. Deane. How Long Is a Piece of Loop? 2013.

Cita MLA (9th ed.)

Choi, Y., et al. How Long Is a Piece of Loop? 2013.